2780700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 144

約数和(自身を含む): 9332736

約数和(自身を除く): 6552036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 31, 39, 46, 50, 52, 60, 62, 65, 69, 75, 78, 92, 93, 100, 115, 124, 130, 138, 150, 155, 156, 186, 195, 230, 260, 276, 299, 300, 310, 325, 345, 372, 390, 403, 460, 465, 575, 598, 620, 650, 690, 713, 775, 780, 806, 897, 930, 975, 1150, 1196, 1209, 1300, 1380, 1426, 1495, 1550, 1612, 1725, 1794, 1860, 1950, 2015, 2139, 2300, 2325, 2418, 2852, 2990, 3100, 3450, 3565, 3588, 3900, 4030, 4278, 4485, 4650, 4836, 5980, 6045, 6900, 7130, 7475, 8060, 8556, 8970, 9269, 9300, 10075, 10695, 12090, 14260, 14950, 17825, 17940, 18538, 20150, 21390, 22425, 24180, 27807, 29900, 30225, 35650, 37076, 40300, 42780, 44850, 46345, 53475, 55614, 60450, 71300, 89700, 92690, 106950, 111228, 120900, 139035, 185380, 213900, 231725, 278070, 463450, 556140, 695175, 926900, 1390350, 2780700]

約数ペア:

[(1, 2780700), (2, 1390350), (3, 926900), (4, 695175), (5, 556140), (6, 463450), (10, 278070), (12, 231725), (13, 213900), (15, 185380), (20, 139035), (23, 120900), (25, 111228), (26, 106950), (30, 92690), (31, 89700), (39, 71300), (46, 60450), (50, 55614), (52, 53475), (60, 46345), (62, 44850), (65, 42780), (69, 40300), (75, 37076), (78, 35650), (92, 30225), (93, 29900), (100, 27807), (115, 24180), (124, 22425), (130, 21390), (138, 20150), (150, 18538), (155, 17940), (156, 17825), (186, 14950), (195, 14260), (230, 12090), (260, 10695), (276, 10075), (299, 9300), (300, 9269), (310, 8970), (325, 8556), (345, 8060), (372, 7475), (390, 7130), (403, 6900), (460, 6045), (465, 5980), (575, 4836), (598, 4650), (620, 4485), (650, 4278), (690, 4030), (713, 3900), (775, 3588), (780, 3565), (806, 3450), (897, 3100), (930, 2990), (975, 2852), (1150, 2418), (1196, 2325), (1209, 2300), (1300, 2139), (1380, 2015), (1426, 1950), (1495, 1860), (1550, 1794), (1612, 1725)]